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Implementation method of a hybrid online detection device for carbon content in fly ash

A fly ash carbon content, detection device technology, applied to the measurement device, by removing certain components, weighing, instruments, etc., can solve the problems of large maintenance, complex structure, poor reliability, etc., to achieve reliable data support, Accurate test results and good adaptability

Active Publication Date: 2021-05-04
解海龙
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Problems solved by technology

[0007] Disadvantages: burning takes time, poor real-time performance; the detection device belongs to precision intelligent electronic machinery, complex structure, large maintenance, and poor reliability
[0011] Disadvantages: It is an indirect measurement method, and the test results are also affected by such as sampling method, fly ash concentration, coal type (fly ash composition), installation location, microwave generation-receiving device difference, ambient temperature, etc., and the test result has poor reliability
[0012] Due to the above reasons, the two types of products have not been generally recognized by users, and they have not played their due role in engineering.

Method used

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  • Implementation method of a hybrid online detection device for carbon content in fly ash
  • Implementation method of a hybrid online detection device for carbon content in fly ash

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] As shown in the figure: a microwave transmitting device 1 is installed on one side of the sampling station of the original burning method detection device 4, and a microwave receiving device 2 is installed on the other side, and the microwave detection mathematical model and related logic are embedded in the original burning method The control system of the detection device 4. During detection, the microwave emitted by the microwave transmitting device 1 will pass through the ash sample and be received by the microwave receiving device 2, and the transmitted power and the attenuated received power data will be transmitted to the control system in the original burning method detection device 4 through the data acquisition module 3, Then, the detection results are given through the microwave detection mathematical model embedded in the control syst...

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Abstract

The invention relates to a method for realizing an online detection device for carbon content in fly ash of a large-scale coal-fired boiler. Overcome the respective shortcomings of the two methods, improve the accuracy, real-time, continuity and equipment reliability of the detection results of the detection device, and solve the problems of poor reliability of detection results and maintenance The problem of large volume and high failure rate.

Description

technical field [0001] The present invention relates to a realization method of an online detecting device for carbon content in fly ash of a large-scale coal-fired boiler (hereinafter referred to as "detecting device"). Combined into one device, it overcomes the respective shortcomings of the two methods, improves the accuracy, real-time performance, continuity and equipment reliability of the detection results of the detection device, and solves the common detection problems in the current engineering applications of this type of detection device. The result is poor reliability, heavy maintenance, and high failure rate. Background technique [0002] The carbon content of fly ash is an important index reflecting the economical operation of large coal-fired boilers, and it is also an indispensable basis for optimizing combustion and controlling low nitrogen oxide emissions. At present, two detection devices based on "burning method" and "microwave method" are generally used...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N5/04G01N22/00
Inventor 王金铭解海龙
Owner 解海龙